Question Factor the expression 20(z−31) Evaluate 20z−620Solution 20(z−31) Show Solution Find the roots z=31 Evaluate 20z−620To find the roots of the expression,set the expression equal to 0 20z−620=0Move the constant to the right-hand side and change its sign 20z=0+620Removing 0 doesn't change the value,so remove it from the expression 20z=620Divide both sides 2020z=20620Divide the numbers z=20620Solution More Steps Evaluate 20620Reduce the numbers 131Calculate 31 z=31 Show Solution
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